<Language From="SQL" To="C#">
   <Type From="bigint" To="long?" />
   <Type From="binary" To="object" />
   <Type From="bit" To="bool?" />
   <Type From="char" To="string" />
   <Type From="datetime" To="DateTime?" />
   <Type From="decimal" To="decimal?" />
   <Type From="float" To="double?" />
   <Type From="image" To="byte[]" />
   <Type From="int" To="int?" />
   <Type From="money" To="decimal?" />
   <Type From="nchar" To="string" />
   <Type From="ntext" To="string" />
   <Type From="numeric" To="decimal?" />
   <Type From="nvarchar" To="string" />
   <Type From="real" To="float?" />
   <Type From="smalldatetime" To="DateTime?" />
   <Type From="smallint" To="short?" />
   <Type From="smallmoney" To="decimal?" />
   <Type From="text" To="string" />
   <Type From="timestamp" To="byte[]" />
   <Type From="tinyint" To="byte?" />
   <Type From="uniqueidentifier" To="Guid" />
   <Type From="varbinary" To="byte[]" />
   <Type From="varchar" To="string" />
   <Type From="xml" To="string" />
   <Type From="sql_variant" To="object" />
</Language>